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Washing the MerCathode assembly can damage components and lead to rapid corrosion. Do not use any cleaning
equipment such as brushes or high‑pressure washers to clean the MerCathode assembly.
Do not power‑wash a sterndrive that has a MerCathode assembly. Doing so can damage the coating on the reference wire of
the MerCathode assembly and increase corrosion.
a
Sterndrive Surface Care
c
e
f
g
We recommend the following maintenance items to help keep your sterndrive corrosion‑free:
•
Maintain a complete paint covering on the sterndrive.
•
Check the finish regularly. Prime and paint nicks and scratches using Mercury enamel paint and touch up paint. Use only
tin‑based antifouling paint or its equivalent on or near aluminum surfaces below the waterline.
•
If bare metal is showing, apply two coats of paint.
Description
Mercury Phantom Black
•
Spray all electrical connections with sealant.
Tube Ref No.
Liquid Neoprene
25
•
Inspect the sacrificial trim tab or anode plate if equipped, at regular intervals and replace it before it is half gone. If a
stainless steel propeller is installed, additional anodes or a MerCathode system will be required.
•
Inspect the propeller shaft for fishing line, which can cause corrosion on a stainless steel shaft.
90-8M0128976
MAY 2017
eng
b
d
a
b
Description
NOTICE
21563
Standard Bravo sterndrive
a -
Sacrificial trim cylinder anode
b -
Sacrificial anodic plate
c -
Steering lever ground wire
d -
Ground wire between the gimbal ring and bell housing
e -
Stainless steel hoses
f -
Ground wire between the gimbal housing and trim cylinder
g -
Ground wire between the gimbal ring and gimbal housing
21083
Where used
Bare metal
Where Used
All electrical connections
Section 4 - Maintenance
a -
Reference electrode
b -
Anode plate
Part number
92‑ 802878‑1
Part No.
92- 25711 3
Page 75
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